VulnerabilityModified
CVE-2021-41866
MyBB before 1.8.28 allows stored XSS because the displayed Template Name value in the Admin CP's theme management is not escaped properly.
MEDIUM 5.4EPSS 0.49%
Does this matter?
Lower severity and a low EPSS score (0.49%). Track it; it rarely justifies an emergency change on its own.
Description
MyBB before 1.8.28 allows stored XSS because the displayed Template Name value in the Admin CP's theme management is not escaped properly.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.49% probability · 41th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mybb/mybb
- Source
- cve@mitre.org
References
- https://github.com/mybb/mybb/security/advisories/Third Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7Patch, Third Party Advisory
- https://github.com/mybb/mybb/security/advisories/Third Party Advisory
- https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.